Home / 11,137.92-16,708.50-3,345.72

Finding the Fourth Proportional to 11,137.92, 16,708.50 and 3,345.72

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Solution

The fourth proportional to 11,137.92, 16,708.50 and 3,345.72 is: 5,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.92 : 16,708.50 = 3,345.72 : x
  2. Step 2: Convert to fraction form
    11,137.92/16,708.50 = 3,345.72/x
  3. Step 3: Cross multiply
    11,137.92x = 16,708.50 × 3,345.72
  4. Step 4: Simplify right side
    11,137.92x = 55,901,962.62
  5. Step 5: Solve for x
    x = 55,901,962.62/11,137.92
  6. Step 6: Final answer
    x = 5,019.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.